The only problem I can see with this is if the RD cable is internally routed which I imagine most are.
The RD cable still has to leave the frame at some point and make its way to the RD...
@Brommers started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
The only problem I can see with this is if the RD cable is internally routed which I imagine most are.